51686520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 164989440

約数和(自身を除く): 113302920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 92, 115, 120, 122, 138, 183, 184, 230, 244, 276, 305, 307, 345, 366, 460, 488, 552, 610, 614, 690, 732, 915, 920, 921, 1220, 1228, 1380, 1403, 1464, 1535, 1830, 1842, 2440, 2456, 2760, 2806, 3070, 3660, 3684, 4209, 4605, 5612, 6140, 7015, 7061, 7320, 7368, 8418, 9210, 11224, 12280, 14030, 14122, 16836, 18420, 18727, 21045, 21183, 28060, 28244, 33672, 35305, 36840, 37454, 42090, 42366, 56120, 56181, 56488, 70610, 74908, 84180, 84732, 93635, 105915, 112362, 141220, 149816, 168360, 169464, 187270, 211830, 224724, 280905, 282440, 374540, 423660, 430721, 449448, 561810, 749080, 847320, 861442, 1123620, 1292163, 1722884, 2153605, 2247240, 2584326, 3445768, 4307210, 5168652, 6460815, 8614420, 10337304, 12921630, 17228840, 25843260, 51686520]

約数ペア:

[(1, 51686520), (2, 25843260), (3, 17228840), (4, 12921630), (5, 10337304), (6, 8614420), (8, 6460815), (10, 5168652), (12, 4307210), (15, 3445768), (20, 2584326), (23, 2247240), (24, 2153605), (30, 1722884), (40, 1292163), (46, 1123620), (60, 861442), (61, 847320), (69, 749080), (92, 561810), (115, 449448), (120, 430721), (122, 423660), (138, 374540), (183, 282440), (184, 280905), (230, 224724), (244, 211830), (276, 187270), (305, 169464), (307, 168360), (345, 149816), (366, 141220), (460, 112362), (488, 105915), (552, 93635), (610, 84732), (614, 84180), (690, 74908), (732, 70610), (915, 56488), (920, 56181), (921, 56120), (1220, 42366), (1228, 42090), (1380, 37454), (1403, 36840), (1464, 35305), (1535, 33672), (1830, 28244), (1842, 28060), (2440, 21183), (2456, 21045), (2760, 18727), (2806, 18420), (3070, 16836), (3660, 14122), (3684, 14030), (4209, 12280), (4605, 11224), (5612, 9210), (6140, 8418), (7015, 7368), (7061, 7320)]